At least iCloud is run by a third party and not Apple (GCBD). Similar to how Blizzard does with their games and why World of Warcraft disappeared over night. Important distinction to make when it comes to privacy and security (there’s none) and how Apple washes their hands clean while keeping the Chinese government happy.

It is pretty much a requirement if you want to do business in mainland China.

Firefox also had a set of China-owned servers to sync data from Chinese users to.

(“Had” because I think they officially stopped the relationship with Mozilla China)